Results 1 to 10 of about 1,314,104 (213)

Comparing Building and Neighborhood-Scale Variability of CO2 and O3 to Inform Deployment Considerations for Low-Cost Sensor System Use [PDF]

open access: yesSensors, 2018
The increased use of low-cost air quality sensor systems, particularly by communities, calls for the further development of best-practices to ensure these systems collect usable data.
Ashley Collier-Oxandale   +4 more
doaj   +6 more sources

Conjugate Heat Transfer Analysis of the Aero-Thermal Impact of Different Feeding Geometries for Internal Cooling in Lifetime Extension Processes for Heavy-Duty Gas Turbines

open access: yesEnergies, 2022
Regulations from the European Union move towards a constant reduction of pollutant emissions to match the single-digit goal by 2050. Original equipment manufacturers propose newly designed components for the lifetime extension ofgGas turbines that both ...
Lorenzo Laveneziana   +7 more
doaj   +1 more source

A review of heat recovery technology for passive ventilation applications [PDF]

open access: yesE3S Web of Conferences, 2023
Regenerative heat exchangers are widely used in life support systems, gas turbines, boilers and other high-temperature industrial installations. These heat exchangers are used for cooling and heating gases, humidification and dehumidification of gases ...
Shodiyev Bobur   +4 more
doaj   +1 more source

Retraction Notice: The Effect of Break Edge Configuration on the Aerodynamics of Anti-Ice Jet Flow [PDF]

open access: yesEPJ Web of Conferences, 2015
This article has been retracted because the authors have plagiarized part of a confidential report entitled “Ön Yatak Taşıyıcı Parça Üzerindeki Palelerden Tahliye Olan Havanın Yüzeye Etkisinin Araştırılması” by Bedii Ozdemir and Yasar Multu.
Tatar V., Yildizay H., Aras H.
doaj   +1 more source

Influence of ambient temperature on the efficiency of underground spot cooling system [PDF]

open access: yesMATEC Web of Conferences, 2022
In mine air conditioning systems, the vapour compression refrigeration cycle seems to be currently the most widespread method of artificial cooling.
Dosa Ion   +3 more
doaj   +1 more source

Thermal Comfort and Energy Analysis of a Hybrid Cooling System by Coupling Natural Ventilation with Radiant and Indirect Evaporative Cooling

open access: yesEnergies, 2021
A hybrid cooling system which combines natural ventilation with a radiant cooling system for a hot and humid climate was studied. Indirect evaporative cooling was used to produce chilled water at temperatures slightly higher than the dew point. With this
Pradeep Shakya   +5 more
doaj   +1 more source

Indoor Air Quality in Public Health Centers: A Case Study of Public Health Centers Located on Main and Secondary Roadsides, Bangkok

open access: yesEnvironment and Natural Resources Journal, 2022
This cross-sectional study investigated the indoor air quality (IAQ) of public health centers (PHCs) and primary health care units in Bangkok to determine the impact of the different locations and ventilation systems concerning IAQ.
Natlada Boonphikham   +4 more
doaj   +1 more source

The Quality of the Atmospheric Environment during Periods of Confinement Due to COVID-19 in the Attica Basin

open access: yesEnvironmental Sciences Proceedings, 2023
Based on ground-based measurements, the impact on air pollution over the Greater Athens Area (GAA) due to the two public lockdown periods (first lockdown period: 23 March 2020 until 3 May 2020; second lockdown period: 7 November 2020 until 2 May 2021) in
Ilias Jbeily, Konstantinos Moustris
doaj   +1 more source

Real-World Effectiveness of Portable Air Cleaners in Reducing Home Particulate Matter Concentrations

open access: yesAerosol and Air Quality Research, 2023
Portable air cleaners (PACs) equipped with HEPA filters are gaining attention as cost-effective means of decreasing indoor particulate matter (PM) air pollutants and airborne viruses.
Frederic T. Lu   +10 more
doaj   +1 more source

Influence of gas outburst dynamic flow on mine ventilation system

open access: yesAIP Advances, 2021
This study was conducted to analyze the influence of outburst power from coal and gas on mine ventilation systems in order to avoid damage from secondary disasters to mine ventilation systems.
Jingxiao Yu, Zongxiang Li, Wenqing Wang
doaj   +1 more source

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